Heat Absorption and Radiation Comparator with White Screen Microscopy_Microscopes & Accessories Continuously variable 100V-5kV output shown

Continuously variable 100V-5kV output shown on a 0-5kV digital voltmeter

Solid zinc 20mm density cube for density

Cut-out at one edge slips this 125 x 70 x 200mm matte-white metal screen over a meter rule for vertical or horizontal positioning during optical-bench image-formation work

Demonstration-scale electrolyzer sized for whole-class viewing

Heaviest 125-watt soldering iron in the line with a wooden bakelite handle

Heat Absorption and Radiation Comparator with White Screen Microscopy_Microscopes & Accessories Continuously variable 100V-5kV output shownCompares radiant heat absorption through paired surfaces and a white screen, letting students quantify how color and finish influence heat uptake during radiation experiments.